Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
vast lacuna
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "vast lacuna" is correct and usable in written English.
It can be used to describe a significant gap or absence in knowledge, information, or understanding. Example: "The research revealed a vast lacuna in our understanding of the effects of climate change on marine ecosystems."
✓ Grammatically correct
News & Media
Encyclopedias
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
"And inexhaustible because the more one hears and learns, the more conscious one becomes of one's ignorance, of the vast lacunae in one's knowledge".
News & Media
He often emphasized that, while humans may be partial to audiovisual information, a vast majority of species get their news chemically, using chemical signals to attack, attract, instruct, suggest, play the big Kahuna or disguise a real lacuna.
News & Media
BoJack Horseman fills that cultural lacuna.
News & Media
The Lacuna, by Barbara Kingsolver (HarperCollins; $26.99).
News & Media
Now there's an ominous lacuna.
News & Media
The Lacuna grew out of that period.
News & Media
Photograph of Lacuna Coil by Andy Sheppard/Redferns.
News & Media
THE LACUNA, by Barbara Kingsolver Harper Perenniall, $16.99).
News & Media
With Motörhead, Volbeat and Lacuna Coil.
News & Media
Vast swaths?
News & Media
Vast scale.
News & Media
Expert writing Tips
Best practice
When using "vast lacuna", ensure that you clearly define what specific knowledge, information, or understanding is missing to provide context for the reader.
Common error
Avoid using "vast lacuna" in casual conversation or informal writing. Opt for simpler phrases like "big gap" or "large hole" for better clarity and naturalness.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "vast lacuna" functions as a noun phrase, where "vast" modifies the noun "lacuna". It describes a significant gap or absence, often in knowledge or understanding. Ludwig AI confirms that this phrase is usable in written English.
Frequent in
News & Media
33%
Encyclopedias
33%
Science
33%
Less common in
Formal & Business
0%
Academic
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "vast lacuna" is a grammatically correct noun phrase used to denote a significant gap or absence, particularly in knowledge or understanding. While Ludwig AI confirms its usability, it's more appropriate for formal or scientific contexts rather than casual conversation. Common alternatives include "significant gap", "major void", and "huge omission". The phrase appears predominantly in news media and encyclopedias. When employing "vast lacuna", ensure clarity regarding the specific missing element and consider simpler alternatives for informal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
significant gap
Replaces "vast" with "significant", focusing on the importance of the missing element.
major void
Uses "void" instead of "lacuna", emphasizing the emptiness or lack.
huge omission
Substitutes "lacuna" with "omission", highlighting something that has been left out.
extensive deficiency
Employs "extensive" and "deficiency", stressing the breadth and inadequacy.
broad gap
Uses "broad" instead of "vast" to describe the gap.
considerable absence
Replaces both words, focusing on the substantial non-existence of something.
substantial blank
Similar to void but indicates an unfilled space.
large gap
Synonymous substitution with focus on size
wide gap
Synonymous substitution with focus on wideness
noticeable void
Expresses an easily seen emptiness.
FAQs
How can I use "vast lacuna" in a sentence?
You can use "vast lacuna" to describe a significant gap or absence in knowledge, information, or understanding, for example, "The research revealed a "vast lacuna" in our understanding of the effects of climate change on marine ecosystems".
What can I say instead of "vast lacuna"?
You can use alternatives like "significant gap", "major void", or "huge omission" depending on the context.
Is "vast lacuna" a formal or informal phrase?
"Vast lacuna" is a relatively formal phrase. In more informal contexts, simpler alternatives such as "big gap" or "large hole" may be more appropriate.
What is the difference between "vast lacuna" and "significant gap"?
While both phrases indicate a missing element, "vast lacuna" often implies a more profound and extensive lack, whereas "significant gap" simply emphasizes the importance of what is missing.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested